Question

Relations as Sets

score 307 · Answer 1 · 2019-06-07 01:08:44

307

Views

Relations as Sets

Published on 07 Jun 2019 - 1:08

score 64 · Answer 2 · 2019-06-08 16:28:07

64

Views

Proof that for binary relation $ R \circ (S \cup T) \subseteq (R \circ S) \cup (R \circ T) $

Published on 08 Jun 2019 - 16:28

score 129 · Answer 3 · 2019-06-10 08:59:00

129

Views

How do I compare relative importance of observations when number of observations is different in different datasets

Published on 10 Jun 2019 - 8:59

score 48 · Answer 4 · 2019-06-12 12:05:57

48

Views

Can the use of several relations on the same left-hand side be abbreviated so that the LHS is only written once?

Published on 12 Jun 2019 - 12:05

score 71 · Answer 5 · 2026-03-25 01:27:25

71

Views

Is there a notion of "maximally intransitive" relation, or "maximally nonassociative" operator?

Published on 25 Mar 2026 - 1:27

score 28 · Answer 6 · 2019-06-12 18:15:42

28

Views

Proof statement for binary relation or show it is wrong by counterexample

Published on 12 Jun 2019 - 18:15

score 56 · Answer 7 · 2026-03-26 02:57:49

56

Views

If $(X,F)$ is a measurable space and $∼$ is an equivalence relation, is there a $σ$-algebra on $X/∼$ which can be canonically embedded into $F$?

Published on 26 Mar 2026 - 2:57

score 132 · Answer 8 · 2019-06-17 02:48:35

132

Views

Transitive closure of $(x,y)\in R \iff x-y=c $

Published on 17 Jun 2019 - 2:48

score 141 · Answer 9 · 2026-03-25 07:48:30

141

Views

Prove that Multiset and relation $\preccurlyeq$ is a lattice ($\preccurlyeq$ is defined like $\leq$)

Published on 25 Mar 2026 - 7:48

score 65 · Answer 10 · 2019-06-19 12:32:57

For each of the following relations on the set of all real numbers, say whether it is reflexive, symmetric, anti-symmetric, and transitive.

score 40 · Answer 11 · 2019-06-25 20:14:13

40

Views

Find all maximal elements of B. Also find if they exist, the largest element of B, and the least upper bound of B.

Published on 25 Jun 2019 - 20:14

score 632 · Answer 12 · 2019-06-26 22:15:51

632

Views

Reflexive and Irreflexive

Published on 26 Jun 2019 - 22:15

score 195 · Answer 13 · 2019-06-28 00:24:12

195

Views

How can I find the domain of the intersection between two binary relations?

Published on 28 Jun 2019 - 0:24

score 78 · Answer 14 · 2019-06-30 10:47:26

78

Views

Equality in a totally ordered set

Published on 30 Jun 2019 - 10:47

score 50 · Answer 15 · 2019-06-30 16:51:58

50

Views

Which of the following are Hasse Diagrams?

Published on 30 Jun 2019 - 16:51

List Question

Relations as Sets

Proof that for binary relation $ R \circ (S \cup T) \subseteq (R \circ S) \cup (R \circ T) $

How do I compare relative importance of observations when number of observations is different in different datasets

Can the use of several relations on the same left-hand side be abbreviated so that the LHS is only written once?

Is there a notion of "maximally intransitive" relation, or "maximally nonassociative" operator?

Proof statement for binary relation or show it is wrong by counterexample

If $(X,F)$ is a measurable space and $∼$ is an equivalence relation, is there a $σ$-algebra on $X/∼$ which can be canonically embedded into $F$?

Transitive closure of $(x,y)\in R \iff x-y=c $

Prove that Multiset and relation $\preccurlyeq$ is a lattice ($\preccurlyeq$ is defined like $\leq$)

For each of the following relations on the set of all real numbers, say whether it is reflexive, symmetric, anti-symmetric, and transitive.

Find all maximal elements of B. Also find if they exist, the largest element of B, and the least upper bound of B.

Reflexive and Irreflexive

How can I find the domain of the intersection between two binary relations?

Equality in a totally ordered set

Which of the following are Hasse Diagrams?

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